/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Parameterization/MeshPlanarSymmetry.h
Given the pairing (SourceVertexROI, SourceVertexPositions), compute the symmetry-constrained vertex positions for MirrorVertexROI and store in MirrorVertexPositionsOut. This function assumes that the MirrorVertexROI was computed by calling GetMirrorVertexROI(SourceVertexROI, MirrorVertexROI, bForceSameSizeWithGaps=true), ie all the arrays must be the same length
void ComputeSymmetryConstrainedPositions ( const [TArray](API\Runtime\Core\Containers\TArray)< int > & SourceVertexROI, const [TArray](API\Runtime\Core\Containers\TArray)< int > & MirrorVertexROI, const [TArray](API\Runtime\Core\Containers\TArray)< FVector3d > & SourceVertexPositions, [TArray](API\Runtime\Core\Containers\TArray)< FVector3d > & MirrorVertexPositionsOut ) const